TimeUtil
工具栏类
import com.sljl.core.enums.ConstellationTypeEnum;
import com.sljl.core.enums.ZodiacTypeEnum;
import org.apache.commons.lang3.StringUtils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* 系统通用的时间工具类
*
* @author L.Y.F
*/
public class TimeUtil {
/**
* 秒(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int SECOND = 1;
/**
* 分(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int MINUTE = SECOND * 60;
/**
* 时(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int HOUR = MINUTE * 60;
/**
* 天(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int DAY = HOUR * 24;
/**
* 周(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int WEEK = DAY * 7;
/**
* 月--按照通用的30天计算,如需特殊值请另行计算(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int MONTH_30 = DAY * 30;
/**
* 年--按照通用的365天计算,如需特殊值请另行计算(最小单位为秒,如果需要使用毫秒请自己乘以1000)
*/
public static final int YEAR_365 = DAY * 365;
private final static int[] dayArr = new int[]{20, 19, 21, 20, 21, 22, 23, 23, 23, 24, 23, 22};
private final static int[] constellationArr = new int[]{10, 11, 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
private final static int[] zodiacArr = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
/**
* 将日期按照format格式转换成字符串
*
* @param date
* @param format
*
* @return
*/
public static String date2String(Date date, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(date);
}
/**
* 将字符串按照format格式转换成日期类型
*
* @param date
* @param format
*
* @return
*
* @throws ParseException
*/
public static Date string2Date(String date, String format) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.parse(date);
}
/**
* 将指定的字符串日期格式转换成其他形式的日期字符串
*
* @param date 日期字符串
* @param sourceFormat 原日期字符串格式
* @param toFormat 新日期字符串格式
*
* @return
*
* @throws ParseException
*/
public static String stringDateToFormat(String date, String sourceFormat, String toFormat) throws ParseException {
Date sourceDate = new SimpleDateFormat(sourceFormat).parse(date);
return new SimpleDateFormat(toFormat).format(sourceDate);
}
/**
* 获取当前时间戳的毫秒值
*
* @return
*/
public static long getTimestamp() {
return Calendar.getInstance().getTimeInMillis();
}
/**
* 返回指定格式的当前日期
*
* @param format
*
* @return
*/
public static String getNow(String format) {
return date2String(new Date(), format);
}
/**
* 获取以指定时间为基准的前后N天的日期
*
* @param date: 指定日期
* @param days:days > 0 = 未来时间、days < 0 = 历史时间、days == 0 = 当前时间
*
* @return
*/
public static Date dateForBeforeOrAfter(Date date, int days) {
// 使用默认时区和语言环境获得一个日历。
Calendar cal = Calendar.getInstance();
if (null != date) {
cal.setTime(date);
}
cal.add(Calendar.DAY_OF_YEAR, +days);
return cal.getTime();
}
/**
* 将毫秒值转换成指定format格式的日期
*
* @param millSeconds
*
* @return
*/
public static String millisecond2String(long millSeconds, String format) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(millSeconds);
return date2String(cal.getTime(), format);
}
/**
* 获取以当前天为基准的前/后第N天的23:59:59的时间戳值,如需UnixTime请自行 / 1000
*
* @param days:days > 0 = 未来时间、days < 0 = 历史时间、days == 0 = 当前时间
*
* @return
*/
public static long getLastTimeStampForDay(int days) {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DAY_OF_YEAR, +days);
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime().getTime();
}
/**
* 获取当月最后一天23:59:59的时间戳值,如需UnixTime请自行 / 1000
*
* @return
*/
public static long getMonthLastDayForTimeStamp() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime().getTime();
}
/**
* 当dayOfWeek==0时,获取指定日期所在周的周一对应的日期;
* 在此基础上通过addDayOfWeek参数来灵活获取相关周的任意周几的日期;
* 其思路就是先拿到指定日期所在周的周一对应日期,然后通过增减天数来获取上周,本周甚至任意周的任意周几日期;
* 例如:
* <pre>
* 1. 获取当前日期所在周的周一日期:getDayOfWeekForDate(new Date(), 0);
* 2. 获取当前日期所在周的周三日期;getDayOfWeekForDate(new Date(), 2);
* 3. 获取当前日期所在周的周日日期;getDayOfWeekForDate(new Date(), 6);
* 4. 获取当前日期的前一周的周一日期:getDayOfWeekForDate(new Date(), -7);
* 5. 获取当前日期的前一周的周日日期:getDayOfWeekForDate(new Date(), -1);
* 6. 获取当前日期的未来一周的周一日期:getDayOfWeekForDate(new Date(), 7);
* </pre>
*
* @param date:指定日期
* @param addDayOfWeek:指定日期所在周周一的基础上加几天或者减几天的日期
*
* @return
*/
public static Date getDayOfWeekForDate(Date date, int addDayOfWeek) {
Calendar cal = new GregorianCalendar();
cal.setTime(date);
// 判断要计算的日期是否是周日,如果是则减一天计算周六的,否则会出问题,计算到下一周去了
int dayWeek = cal.get(Calendar.DAY_OF_WEEK);// 获得当前日期是一个星期的第几天
if (1 == dayWeek) {
cal.add(Calendar.DAY_OF_MONTH, -1);
}
cal.setFirstDayOfWeek(Calendar.MONDAY);// 设置一个星期的第一天,按中国的习惯一个星期的第一天是星期一
int day = cal.get(Calendar.DAY_OF_WEEK);// 获得当前日期是一个星期的第几天
cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);// 根据日历的规则,给当前日期减去星期几与一个星期第一天的差值
cal.add(Calendar.DATE, addDayOfWeek);
return cal.getTime();
}
/**
* 非标出生日期格式化方法,转换后统一使用标准格式yyyy-mm-dd
*
* @param sourceBirthday:原非标出生日期;该非标日期要求必须具备年、月、日,缺一不可; <pre>
* <ul>
* 例:
* <li>1989年-----------------false</li>
* <li>2月26日-----------------false</li>
* <li>1980年2月1日-------------true</li>
* <li>1988.02.01-------------true</li>
* <li>1990/03/3--------------true</li>
* </ul>
* </pre>
*
* @return
*
* @throws Exception
*/
public static String convertBirthday(String sourceBirthday) throws Exception {
String targetBirthday = null;
if (StringUtils.isNotBlank(sourceBirthday)) {
sourceBirthday = sourceBirthday.replaceAll(" ", "");
sourceBirthday = sourceBirthday.replaceAll("[生出]", "");
sourceBirthday = sourceBirthday.replaceAll("号", "日");
if (sourceBirthday.matches("(\\d{4})[年](\\d{2}|\\d{1})[月](\\d{2}|\\d{1})[日]")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyy年m月d日"), "yyyy-mm-dd");
} else if (sourceBirthday.matches("(\\d{4})[.](\\d{2}|\\d{1})[.](\\d{2}|\\d{1})")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyy.m.d"), "yyyy-mm-dd");
} else if (sourceBirthday.matches("(\\d{4})[/](\\d{2}|\\d{1})[/](\\d{2}|\\d{1})")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyy/m/d"), "yyyy-mm-dd");
} else if (sourceBirthday.matches("(\\d{4})[-](\\d{2}|\\d{1})[-](\\d{2}|\\d{1})")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyy-m-d"), "yyyy-mm-dd");
} else if (sourceBirthday.matches("(\\d{4})[年](\\d{2}|\\d{1})[月](\\d{2}|\\d{1})")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyy年m月d"), "yyyy-mm-dd");
} else if (sourceBirthday.matches("\\d{8}")) {
targetBirthday = date2String(string2Date(sourceBirthday, "yyyymmdd"), "yyyy-mm-dd");
}
}
return targetBirthday;
}
/**
* 通过出生日期的毫秒值计算星座
*
* @param birthdayTimestamp
*
* @return
*/
public static ConstellationTypeEnum convertBirthday2Constellation(long birthdayTimestamp) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(birthdayTimestamp);
// 获取生日月份,0表示1月份
int month = cal.get(Calendar.MONTH) + 1;
// 获取生日日期
int day = cal.get(Calendar.DAY_OF_MONTH);
return ConstellationTypeEnum.getEnum(day < dayArr[month - 1] ? constellationArr[month - 1] : constellationArr[month]);
}
/**
* 通过出生日期的毫秒值计算属相
*
* @param birthdayTimestamp
*
* @return
*/
public static ZodiacTypeEnum convertBirthday2Zodiac(long birthdayTimestamp) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(birthdayTimestamp);
int startYear = 1900;
// 获取生日年份
int year = cal.get(Calendar.YEAR);
year = year < 1900 ? 1900 : year;
return ZodiacTypeEnum.getEnum(zodiacArr[(year - startYear) % zodiacArr.length]);
}
/**
* 获取今年是哪一年
*
* @return
*/
public static Integer getNowYear() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return Integer.valueOf(gc.get(1));
}
/**
* 获取本月是哪一月
*
* @return
*/
public static int getNowMonth() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return gc.get(2) + 1;
}
/**
* 获取某年某月到某年某月按天的切片日期集合(间隔天数的集合)
*
* @param beginYear
* @param beginMonth
* @param endYear
* @param endMonth
* @param k
*
* @return
*/
@SuppressWarnings({"rawtypes", "unchecked"})
public static List getTimeList(int beginYear, int beginMonth, int endYear, int endMonth, int k) {
List list = new ArrayList();
if (beginYear == endYear) {
for (int j = beginMonth; j <= endMonth; j++) {
list.add(getTimeList(beginYear, j, k));
}
} else {
{
for (int j = beginMonth; j < 12; j++) {
list.add(getTimeList(beginYear, j, k));
}
for (int i = beginYear + 1; i < endYear; i++) {
for (int j = 0; j < 12; j++) {
list.add(getTimeList(i, j, k));
}
}
for (int j = 0; j <= endMonth; j++) {
list.add(getTimeList(endYear, j, k));
}
}
}
return list;
}
/**
* 获取某年某月按天切片日期集合(某个月间隔多少天的日期集合)
*
* @param beginYear
* @param beginMonth
* @param k
*
* @return
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public static List getTimeList(int beginYear, int beginMonth, int k) {
List list = new ArrayList();
Calendar begincal = new GregorianCalendar(beginYear, beginMonth, 1);
int max = begincal.getActualMaximum(Calendar.DATE);
for (int i = 1; i < max; i = i + k) {
list.add(begincal.getTime());
begincal.add(Calendar.DATE, k);
}
begincal = new GregorianCalendar(beginYear, beginMonth, max);
list.add(begincal.getTime());
return list;
}
/**
* 获取两个日期中的最大日期
*
* @param beginDate
* @param endDate
*
* @return
*/
public static Date max(Date beginDate, Date endDate) {
if (beginDate == null) {
return endDate;
}
if (endDate == null) {
return beginDate;
}
if (beginDate.after(endDate)) {
return beginDate;
}
return endDate;
}
/**
* 获取两个日期中的最小日期
*
* @param beginDate
* @param endDate
*
* @return
*/
public static Date min(Date beginDate, Date endDate) {
if (beginDate == null) {
return endDate;
}
if (endDate == null) {
return beginDate;
}
if (beginDate.after(endDate)) {
return endDate;
}
return beginDate;
}
/**
* 计算两个日期相差/相隔的天数
* 相差:date = "yyyy-MM-dd HH:mm:ss"
* 相隔:date = "yyyy-MM-dd";
*
* @param date
* @param otherDate
*
* @return
*/
public static long calculateTwoDayDifferences(Date date, Date otherDate) {
return (date.getTime() - otherDate.getTime()) / (DAY * 1000);
}
/**
* 获取指定日期所在月的第一天
*
* @return
*/
public static Date getMonthFirstDay(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
return cal.getTime();
}
/**
* 获取指定日期所在月的最后一天
*
* @return
*/
public static Date getMonthLastDay(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
return cal.getTime();
}
/**
* 返回当前日期是周几
*
* @param date
* @return int
*/
public static int getDayOfWeek(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
int dayForWeek = 0;
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
dayForWeek = 7;
} else {
dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return dayForWeek;
}
public static void main(String[] args) throws ParseException {
System.out.println(TimeUtil.convertBirthday2Constellation(new Date().getTime()));
System.out.println(TimeUtil.convertBirthday2Zodiac(new Date().getTime()));
String str1 = "2017-12-31 23:59:59";
String str2 = "2018-01-01 00:00:00";
System.out.println(TimeUtil.calculateTwoDayDifferences(TimeUtil.string2Date(str1, "yyyy-MM-dd HH:mm:ss"), TimeUtil.string2Date(str2, "yyyy-MM-dd HH:mm:ss")));
}
}